EP0461969A1 - Automatisches Ortungs- und Identifizierungssystem für Fahrzeuge in Not - Google Patents

Automatisches Ortungs- und Identifizierungssystem für Fahrzeuge in Not Download PDF

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Publication number
EP0461969A1
EP0461969A1 EP91401496A EP91401496A EP0461969A1 EP 0461969 A1 EP0461969 A1 EP 0461969A1 EP 91401496 A EP91401496 A EP 91401496A EP 91401496 A EP91401496 A EP 91401496A EP 0461969 A1 EP0461969 A1 EP 0461969A1
Authority
EP
European Patent Office
Prior art keywords
distress
beacons
transmitter
messages
microprocessor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91401496A
Other languages
English (en)
French (fr)
Other versions
EP0461969B1 (de
Inventor
Didier Drouault
Jean Potage
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0461969A1 publication Critical patent/EP0461969A1/de
Application granted granted Critical
Publication of EP0461969B1 publication Critical patent/EP0461969B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • G01S5/0231—Emergency, distress or locator beacons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders

Definitions

  • the present invention relates to an automatic system for locating and identifying vehicles in distress.
  • the time it takes for emergency services to reach the scene of road traffic accidents depends on the speed with which they are warned and the actual distance between the place of the accident and the nearest aid station.
  • the aim of the invention is to allow the automatic detection of serious accidents which may occur in the field of road traffic in particular in a given territory .
  • the subject of the invention is an automatic system for locating and identifying vehicles in distress, characterized in that it comprises, on the one hand, a network of direction finders coupled to at least one computer and arranged to well-defined locations of areas of a territory, and on the other hand a set of radio distress beacons arranged inside vehicles moving in areas of the territory and in that the computer comprises means for processing information emitted by the distress beacons and means of connection to locate and identify on the territory the beacons emitting distress signals and transmit the corresponding information to the emergency services closest to the places of emission of the beacons.
  • each vehicle bearing the reference 1 in FIG. 1 is equipped with a distress beacon 2. It also has sensors 3 enabling it to establish an electrical or mechanical contact following a significant shock suffered by the vehicle and for which it is assumed that the occupants of the vehicle are injured.
  • the contact established by each sensor 3 allows the distress beacon 2 to start transmitting on a specified radio frequency.
  • a ground infrastructure composed in FIG. 1 of direction finders referenced from 41 to 4 n makes it possible to receive and detect this radioelectric emission.
  • Each sensor 41 to 4n has a goniometer coupled to a specific computer, not shown, which can be recognized in a known manner from a map recovery of the received signal.
  • a computer link 51 ... 5 n connects all the sensors 41 to 4 n to a processing unit 6 which receives all the bearing information and which deduces from it the exact coordinates of the emission point.
  • a connection can for example be constituted in the manner of that known and described in report 668-2 of the Study Commission No. 1 CCIR of the ITU of October 89 having as title "Automatic control and measurement of radio frequency spectrum ".
  • the computer 6 placed in a listening and alert center not shown makes it possible to generate a call on the switched telephone network to an emergency center 9 which is closest to the place of the accident and to provide the calculated geographic coordinates of the position of the accident vehicle.
  • the electronic device equipping the distress beacon 2 is shown diagrammatically in FIG. 2 inside a closed line in dotted lines 10. It comprises connected to a microprocessor 11, a clock 12, a memory 13, a shock sensor 14 , a buffer battery 15 and a radio transmitter 16 coupled to at least two antennas 17 and 18 located above and below the vehicle 1 to allow continuity of emissions from the beacon even in the event of the vehicle overturning or overturning.
  • the microprocessor 11 is connected to the dashboard 19 of the vehicle.
  • a switch 20 is placed on the beacon to allow the power supply to the device of FIG. 2 to be cut by the buffer battery 15.
  • the buffer battery 15 is also supplied by the vehicle battery 21.
  • the transmitter 16 can transmit on two different frequencies which can each have a particular meaning to allow to move on the site of the accident vehicle appropriate emergency, such as firefighters, staff of hospital services and teams of mechanical breakdown assistance for vehicle removal.
  • the types of messages which are transmitted are messages which provide information on the type of vehicle involved, on its registration, on its insurance, possibly on the dealer's garage, etc. Possibly a test message can be provided to allow the test correct operation of the beacon, without triggering the emergency services.
  • the frequencies and the messages transmitted on these channels are detected by the goniometers 41 to 4 n and the angles of arrival of these frequencies are transmitted with the corresponding messages to the computer 6 which performs the location of the vehicle 1.
  • This location is determined in known manner in latitude and longitude with respect to the Greenwich meridian, for example, which makes it possible, in the manner shown in FIG. 4, to define using a conversion table 22 the geographic area in which the accident vehicle is located.
  • the conversion table calculates a zone address in a zone descriptor table stored in a memory of the computer 6 and an address for addressing a location table.
  • the zone z i pointed to by the address conversion table 22 contains, as shown at 25 in FIG. 4, all of the information necessary for the dispatch of the emergency means at the scene of the accident. This information can be compiled as shown in Figure 4, by the telephone numbers of the fire departments or gendarmeries closest to the place where the accident took place.
  • the address conversion table 22 also points into the location table 24 the locality of the place closest to the accident, the route on which it occurred. The computer 6 can thus deduce the number of kilometers which separates the place of the accident from the locality.
  • a beacon The operation of a beacon is illustrated by steps 26 to 43 of the flow diagram of FIG. 5.
  • steps 26 and 27 a shock is detected, a time delay of determined duration 30 seconds for example, and illustrated by steps 28 to 31 and 42, 43 is triggered by the shock sensors 14 of the beacon so as to allow the occupants of the vehicle to act on the dashboard 19 to possibly prohibit the emission of messages if it is found that the shock which caused the beacon to fire does not justify the sending of distress signals.
  • step 42 the microprocessor 11 performs steps 32 to 41 which make it possible to send messages regularly inside windows to fixed duration t0 of 15 seconds for example at transmission interval of duration t1 of 1 second per example drawn randomly inside each window of duration t0, so as to avoid that two vehicles in collision and each having a beacon cannot have a simultaneous emission cycle.
  • step 35 it is possible to stop the operation of the beacon by cutting the power supply of it by pressing the switch 20. If this action is not carried out in step 35 the process of transmission is continued by the execution of steps 37 to 41.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Alarm Systems (AREA)
  • Traffic Control Systems (AREA)
  • Transmitters (AREA)
EP91401496A 1990-06-13 1991-06-07 Automatisches Ortungs- und Identifizierungssystem für Fahrzeuge in Not Expired - Lifetime EP0461969B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9007324A FR2663433B1 (fr) 1990-06-13 1990-06-13 Systeme automatique de localisation et d'identification de vehicules en detresse.
FR9007324 1990-06-13

Publications (2)

Publication Number Publication Date
EP0461969A1 true EP0461969A1 (de) 1991-12-18
EP0461969B1 EP0461969B1 (de) 1995-12-27

Family

ID=9397538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91401496A Expired - Lifetime EP0461969B1 (de) 1990-06-13 1991-06-07 Automatisches Ortungs- und Identifizierungssystem für Fahrzeuge in Not

Country Status (3)

Country Link
EP (1) EP0461969B1 (de)
DE (1) DE69115759T2 (de)
FR (1) FR2663433B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240284A1 (de) * 1992-12-01 1994-06-16 Joerg Richter Verfahren und technisches Mittel zur Auffindung gestohlener PKW und als Abschreckung von Diebstählen sowie deren Zwecklosigkeit
ES2058032A2 (es) * 1993-04-05 1994-10-16 Diez De Rivera Joaquin Drake Sistema integral de localizacion, seguimiento y control de moviles
FR2731289A1 (fr) * 1995-03-02 1996-09-06 Mandereau Eric Procede et dispositif d'amelioration de la securite des etres vivants et plus particulierement des personnes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203118A4 (de) * 1971-03-26 1974-05-10 Boutier Noel
DE2757294A1 (de) * 1977-08-26 1979-06-28 Licentia Gmbh Anordnung bestehend aus zwei oder mehr automatischen peilstationen mit einem allen peilstationen gemeinsamen auswerterechner
US4596988A (en) * 1983-06-10 1986-06-24 Wanka James T Remote controlled tracking transmitter and tracking support system
GB2207787A (en) * 1987-08-06 1989-02-08 James Terence Barker Retrieval of lost road vehicles and other articles
DE3830301A1 (de) * 1988-09-07 1990-03-08 Licentia Gmbh Anordnung zum erkennen eines in einem vorgegebenen gebiet auftretenden verkehrsunfalles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641282C2 (de) * 1976-09-14 1983-01-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum Erkennen eines in einem vorgegebenen Gebiet auftretenden Verkehrs-Notfalls

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203118A4 (de) * 1971-03-26 1974-05-10 Boutier Noel
DE2757294A1 (de) * 1977-08-26 1979-06-28 Licentia Gmbh Anordnung bestehend aus zwei oder mehr automatischen peilstationen mit einem allen peilstationen gemeinsamen auswerterechner
US4596988A (en) * 1983-06-10 1986-06-24 Wanka James T Remote controlled tracking transmitter and tracking support system
GB2207787A (en) * 1987-08-06 1989-02-08 James Terence Barker Retrieval of lost road vehicles and other articles
DE3830301A1 (de) * 1988-09-07 1990-03-08 Licentia Gmbh Anordnung zum erkennen eines in einem vorgegebenen gebiet auftretenden verkehrsunfalles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240284A1 (de) * 1992-12-01 1994-06-16 Joerg Richter Verfahren und technisches Mittel zur Auffindung gestohlener PKW und als Abschreckung von Diebstählen sowie deren Zwecklosigkeit
ES2058032A2 (es) * 1993-04-05 1994-10-16 Diez De Rivera Joaquin Drake Sistema integral de localizacion, seguimiento y control de moviles
FR2731289A1 (fr) * 1995-03-02 1996-09-06 Mandereau Eric Procede et dispositif d'amelioration de la securite des etres vivants et plus particulierement des personnes

Also Published As

Publication number Publication date
DE69115759D1 (de) 1996-02-08
DE69115759T2 (de) 1996-05-15
FR2663433A1 (fr) 1991-12-20
FR2663433B1 (fr) 1993-04-23
EP0461969B1 (de) 1995-12-27

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